Home / 320,284.52-480,446.56-107,071.60

Finding the Fourth Proportional to 320,284.52, 480,446.56 and 107,071.60

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Solution

The fourth proportional to 320,284.52, 480,446.56 and 107,071.60 is: 160,614.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,284.52 : 480,446.56 = 107,071.60 : x
  2. Step 2: Convert to fraction form
    320,284.52/480,446.56 = 107,071.60/x
  3. Step 3: Cross multiply
    320,284.52x = 480,446.56 × 107,071.60
  4. Step 4: Simplify right side
    320,284.52x = 51,442,181,893.70
  5. Step 5: Solve for x
    x = 51,442,181,893.70/320,284.52
  6. Step 6: Final answer
    x = 160,614.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.